Here we share how to build a GeoDome greenhouse. It is our building experience for anyone who wants to build a Geodesic Dome. When it comes to gardening in colder climates, a greenhouse is almost a must have. It extends the growing season and gives the plants a lot more heat. With a greenhouse, we can actually pick ripe tomatoes here and grow some plants that we would not be able to without one. A greenhouse can also be a great place to hang out on those cool spring days and summer nights. 3V Geodesic Dome Calculators. 4V Geodesic Dome Calculator. 5V Geodesic Dome Calculators. 6V Geodesic Dome Calculator. Cover Templates for 3v 5/9 Geodesic Dome. Use our megadome calculator to calculate the PVC strut lengths of your dome if you are using our mega hub connectors that can t 1' and 1.5' PVC. When we started to look out for one to build, our expectations were very high. In a northern garden we have to deal with frost, nasty winds and hail, and also loads of snow in the winter. Our days in spring and fall don’t have much direct sunlight so we need to catch every sunbeam we can. Plus, we live in town and the greenhouse in our small back yard needed to be somehow catchy. In our research we came across the GeoDome greenhouse: • Very unique, lightweight structure • Stable in wind and under snow • Optimal light absorption • Has the most growing ground space • A unique hang-out place • An eye catcher The GeoDome greenhouse seemed to be just what we were looking for. Since there is no foundation and this structure can be portable or temporary, we did not need any permits and would be able to take it with us if we would move. So it’s all good! But How does a person build a GeoDome greenhouse? What materials to use? What plan to go? Which tools are needed? How to do the cutting? How to assemble the GeoDome? By what method to cover the GeoDome? We looked at dozens of how-to instructions and even bought a pricy e-Book (with very little value). But all together it helped us build the GeoDome we have and love. Materials needed to build the geodome greenhouse -Wood. We used untreated spruce lumber, and stained it before assembling. You could also use Douglas Fir which is more durable. –, about a pound – Covering. We used greenhouse plastic that was given to us from a commercial greenhouse. Plastic from a commercial greenhouse can be easily reused on a dome, since there is not so much pressure on it, and it can last another 3-5 years. You can also cover the dome with,,. – and for the door and the windows. GeoDome Greenhouse plans is one of the best GeoDome calculators we were able to find on the internet. Choose your language at the top of the page. The Geodesic frequency for a Dome can be 2V, 3V, 4V. A smaller dome can have a lower frequency; for our 18′ dome we chose the 3V frequency. Anything bigger then 18′ should be 4V. Keep also in mind that whatever the width of dome is, it will be half that in height. For example, our 18′ dome is 9′ high plus the 1′ pony wall. The challenge with a 3V Dome is that the red struts at the bottom of the dome as shown above are 2.777% longer then all other red struts. Most plans on the internet do not do this little adjustment and end up with an uneven bottom. Sure, it is possible to level the foundation, but much easier to adjust the length of the 10 red struts on the bottom, always in between the pentagons. Why did we go with 3V even though it is the more complicated version? We had a spot for an 18′ dome. To have that size in 2V would make the triangles too big and too small with 4V. If you want to avoid the problem of leveling in a 3V dome and have the space, go with a bigger size in 4V frequency! Once we had the plan, we printed it out in color so it was helpful on the job site.
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November 2018
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